carbonic maceration in coffee:? | Processing & Quality Forum | Clorofile
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carbonic maceration in coffee:?

I
dua minggu yang lalu
masih sering ketemu orang yang nyebut carbonic maceration tapi maksudnya anaerobic fermentation biasa. padahal secara teknis dan secara kimia keduanya beda.

carbonic maceration (CM) itu aslinya dari prosedur wine di Beaujolais, Perancis. yang bikin beda: cherry harus utuh, tidak dipulp. fermentasi terjadi intraselular, artinya enzim di dalam sel cherry itu sendiri yang memecah komponen di dalamnya dalam kondisi CO2 jenuh. bukan fermentasi oleh mikroba di luar biji, tapi oleh enzim endogen dari jaringan sel buah.

di kopi, beberapa processor di Colombia mulai exp dengan ini sekitar 2016-2018. El Vergel Estate dan San Agustin di Huila termasuk yang awal-awal dokumentasikan prosesnya. hasilnya beda dari anaerobic konvensional: lebih clean, lebih structured, fruity-nya lebih subtle dan elegant bukan bombasic.

anaerobic biasa yang pakai depulped cherry atau parchment di sealed tank itu bukan carbonic maceration. setelah pulping, fermentasi yang terjadi itu tetap eksternal oleh yeast dan bakteri, cuma dalam kondisi oksigen rendah. CM butuh whole cherry dan harus ada pre-saturation dengan CO2 dari luar sebelum proses dimulai.

ada yang sudah coba ini di Indonesia atau sudah lihat detail prosesnya langsung?
7 Replies
H
dua minggu yang lalu
that's right, this is different. About carbonic maceration that needs a whole cherry, there's a pretty important practical challenge: if cherry is damaged or fully ripe is too mushy, the cell wall can't maintain integrity during the process. So a strict sorting before entering the tank is more critical for carbonic maceration than any other method. Over@@.
Y
dua minggu yang lalu
i just heard this carbonic maceration coffee. In Beaujolais it's a process of large tanks and filled with clusters of undestroyed wine. For coffee is the mechanism identical or is there a significant adaptation? Because the size of cherry coffee is much smaller than a wine cluster.
I
dua minggu yang lalu
there's adaptation. In wine, the weight of the wine cluster above is mechanical pressing the cluster below and this helps process. The coffee doesn't work that way because cherry is going down, so there's got to be a supply of CO2 from the outside active for atmospheric synthesis. This is what makes the setup more deidant: need CO2 source food- grade, flow meter, and pressure monitoring. It's more complex than anaerobic that pretty much relies on CO2 by Zfermentation itself.
I
dua minggu yang lalu
pernh minum kopi yang labelnya carbonic maceration dan memang karakternya beda. ada semacam winey-clean yang lebih structured, bukan yang fruity lebay. tapi baru tahu sekarang kalau itu karena mekanisme fermentasinya beda secara fundamental. menarik.
V
satu minggu yang lalu
from the market side, carbonic maceration lot is a pretty high price because it's bigger and it's distinctive. But the buyeris also had to be educated, because if you just look at 'Zcarbonic maceration' on the label without knowing the original process, they can't be distorted which is genuine Zcarbonic maceration which is just Zanaerobic. The proper documentation of the process is so important to the premium pricing justice.
R
satu minggu yang lalu
for the initial carbonic maceration setup, the proper is roughly a minimum investment tool. The most expensive part is the CO2 supply or the seal tank?
H
satu minggu yang lalu
it's a reliable source of CO2 food- grade and regulator + flow meters. Stainless tanks that could seal the printer were a one-way investment but quite lasting. CO2 is ongoing cost but per batch it's still reasonable compared to the premium margins it can achieve. rough estimate total setup for scale pilots 50-100 kg cherry per batch: about 8-15 million depending local source for CO2 tubes and food-grade regulator.

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